Sound-processing method for the live broadcast, in a headset (7), of an audio signal (8) conditioned from a plurality of raw audio channels (6), characterized in that it comprises: A phase ( 100) including the steps of: ○ taking into account auditory perception characteristics of the listener; ○ Correct each channel (6) according to the listener's auditory perception characteristics; A mixing phase (400) comprising generating, from the preprocessed channels (6), a mixed audio signal (16); A post processing phase (500) comprising the steps of: ○ measuring (510) the noise level of an ambient noise; ○ Correct (520) the mixed audio signal (16) according to the sound level of the ambient noise; A phase (600) for restitution, in the headset (7), of the conditioned audio signal (8) resulting from the postprocessing.
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